national insurance number
Word Rarity
Uncommon
Frequency: Zipf frequency 4.77 in modern English
29
Scrabble Score
23
Letters
6
Syllables
13
Unique Chars
Meaning
noun
A number used in the administration of the national insurance or social security system, and also used as a de facto national identification number.
British usage
noun
Alternative letter-case form of national insurance number
Usage
- British usage